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Item #:
3385291
GREAT STUFF Fireblock 12 oz Insulating Foam Sealant
Item #:
3385291
BHD 13
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Wednesday, August 05
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Seal the pipe, cable and duct penetrations, minimizing airflow. During a fire, flames, harmful gasses, and toxic smoke cannot spread as quickly.
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What Stands Out
High Insulation
Provides superior thermal insulation, reducing energy costs by sealing gaps and cracks. This ensures a comfortable environment year-round, making it ideal for homes and businesses.
Quick Cure
Dries rapidly, allowing for efficient application. Users can complete their sealing projects quickly without long wait times, enhancing productivity for both DIY enthusiasts and professionals.
Moisture Resistant
Offers excellent resistance to moisture, preventing mold growth and increasing durability. This feature ensures long-lasting protection for various applications, making it a reliable choice for challenging environments.
Product Details
- Seals pipe, cable, and duct penetrations to minimize airflow
- Inhibits spread of flames, harmful gases, and toxic smoke during a fire
- Reduces energy consumption and saves on heating & cooling costs
- Recognized as an Alternate Fireblocking material for residential construction
- Effective for sealing service penetrations between floors and studs
- Helps conserve energy, reduce drafts, and minimize airflow for enhanced safety
| Country of Origin | This item will be imported from US |
| What is in the box | GREAT STUFF Fireblock 12... For more details, please check description/product details |
Who Should Buy?
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Homeowners
Ideal for homeowners looking to seal gaps and prevent drafts in their homes, improving energy efficiency.
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DIY Enthusiasts
Perfect for DIY enthusiasts who want an easy-to-use foam that expands to fill irregular spaces in insulation projects.
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Fire Safety Applications
Useful for applications requiring fireblocking, preventing flame and smoke spread through concealed spaces.
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Professional Applicators
Not ideal for professional contractors needing high-performance, specialized foam for extensive commercial applications.
Product Description
GREAT STUFF Fireblock 12 oz Insulating Foam Sealant
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Customer Questions & Answers
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Question:
What is GREAT STUFF Fireblock 12 oz Insulating Foam Sealant used for?
Answer: GREAT STUFF Fireblock 12 oz Insulating Foam Sealant is designed to seal gaps and cracks in various applications, especially where fire safety is a concern. It expands to fill spaces, providing a tight, insulating seal that can help prevent the spread of smoke and flames. It's ideal for use in residential and commercial buildings, around pipes, ductwork, and electrical outlets, ensuring better energy efficiency and safety. -
Question:
How does GREAT STUFF Fireblock compare to regular insulating foam?
Answer: Unlike regular insulating foam, GREAT STUFF Fireblock is specifically formulated to meet building code requirements for fire resistance. This product expands upon application to effectively fill gaps, while its fireblock properties help inhibit flame spread, making it suitable for critical areas in your home or business where increased safety is needed. -
Question:
Can GREAT STUFF Fireblock be used outdoors?
Answer: While GREAT STUFF Fireblock is primarily designed for indoor use, it can be used in outdoor applications in sheltered areas. It’s important to protect any exposed foam from UV rays or moisture, as prolonged exposure can degrade its effectiveness. Consider using it in areas such as basements and garages where fire safety is paramount. -
Question:
How do you apply GREAT STUFF Fireblock sealant?
Answer: To apply GREAT STUFF Fireblock, shake the can thoroughly before use. Then, attach the straw applicator for precision, and apply the foam directly into the gaps or cracks you wish to seal. The foam will begin to expand and cure within minutes, forming an insulating barrier that’s strong and durable over time. -
Question:
Is GREAT STUFF Fireblock suitable for use around electrical wiring?
Answer: Yes, GREAT STUFF Fireblock is specifically formulated for use around electrical wiring and outlets. Its fire-blocking properties help prevent the potential spread of flames, making it a safe choice for sealing these types of penetrations in walls, ceilings, and floors. This ensures both effective insulation and enhanced safety in your home. -
Question:
Can GREAT STUFF Fireblock be painted over?
Answer: Yes, once GREAT STUFF Fireblock has fully cured, it can be painted over with latex or oil-based paints. This allows for easy integration with your home decor while effectively maintaining the foam’s insulating and fire-blocking properties. Painting ensures that the foam blends seamlessly with surrounding surfaces, especially in visible areas. -
Question:
How long does GREAT STUFF Fireblock take to cure?
Answer: GREAT STUFF Fireblock typically begins to set within 8-12 minutes after application, but it may take 24 hours to fully cure depending on environmental conditions like temperature and humidity. Once cured, it forms a durable and rigid foam structure that continues to provide insulation and fire resistance for years. -
Question:
What surfaces can be sealed with GREAT STUFF Fireblock?
Answer: GREAT STUFF Fireblock can be used on a variety of surfaces, including wood, metal, masonry, and concrete. This versatility makes it a go-to solution for sealing gaps in walls and ceilings, around pipes and ducts, or wherever you need a durable, insulating, and fire-resistant seal. -
Question:
What safety precautions should be taken when using GREAT STUFF Fireblock?
Answer: When using GREAT STUFF Fireblock, it is essential to wear gloves, safety glasses, and a mask to protect against inhalation and skin contact. Ensure the area is well-ventilated, and avoid application near open flames or sparks, as the foam is flammable until fully cured. Always follow the instructions on the can for safe and effective use. -
Question:
Where can I buy GREAT STUFF Fireblock 12 oz Insulating Foam Sealant?
Answer: You can conveniently purchase GREAT STUFF Fireblock 12 oz Insulating Foam Sealant on Ubuy. They offer a wide selection of home improvement products, making it easy for you to find what you need for your sealing and insulation projects. Check their website for availability and ensure you get the right product for your needs.
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Maryam
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“The order arrived fast and in perfect condition”
2 June 2026 · via Trustpilot
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“I loved it. That was my second order, and I am already thinking of placing a third order.”
16-Jul-26 · via Trustpilot
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“Excellent quality and very fast delivery, I really appreciate your service, when you work good I will appreciate that, I am very satisfied , thank you”
13 June 2026 · via Trustpilot
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“I like the package arrived safely”
17 June 2026 · via Trustpilot
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BHD 13
Order now and get it around Wednesday, August 05
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Features & Benefits
- Minimizes airflow, reducing flame spread during a fire
- Saves on energy costs by reducing drafts
- Can be used to seal service penetrations between floors and studs
- Recognized as an Alternate Fireblocking material for residential construction
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